Transformation ratio test method and device, test equipment and storage medium

A technology of variable ratio testing and testing equipment, which is applied to measuring devices, measuring electrical variables, instruments, etc., and can solve problems such as inaccurate test results

Active Publication Date: 2021-05-25
SHENZHEN POWER SUPPLY BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the traditional technology, the test equipment directly calculates the transformation ratio of the current transformer based on the collected current values ​​of the primary side and the secondary side of the current transformer, and the obtained test results are inaccurate

Method used

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  • Transformation ratio test method and device, test equipment and storage medium
  • Transformation ratio test method and device, test equipment and storage medium
  • Transformation ratio test method and device, test equipment and storage medium

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Embodiment Construction

[0038] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0039] The transformation ratio test method provided by this application can be applied to such as figure 1 In the transformation ratio test system shown, the transformation ratio test system includes a test device 101, a first transformation ratio test terminal 102 arranged on the primary side of the transformer, and a second transformation ratio test terminal 103 arranged on the secondary side of the transformer. Wherein, the first ratio test terminal 102 and the second ratio test terminal 103 communicate with the test equipment 101 through the network respectively; the ...

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Abstract

The invention relates to a transformation ratio testing method and device, testing equipment and a storage medium, and is applied to a transformation ratio testing system which comprises the testing equipment, a first transformation ratio testing terminal arranged on the primary side of a mutual inductor and a second transformation ratio testing terminal arranged on the secondary side of the mutual inductor. The test equipment respectively sends a time synchronization instruction to the first transformation ratio test terminal and the second transformation ratio test terminal; the test equipment respectively receives a first sampling point number and a first current value acquired by the first transformation ratio test terminal and a second sampling point number and a second current value acquired by the second transformation ratio test terminal; the test equipment judges whether the primary side current and the secondary side current of the mutual inductor are in phase or not according to the first sampling point number and the second sampling point number, and obtains a judgment result; the test equipment determines whether to determine the transformation ratio of the mutual inductor according to the first current value and the second current value according to the judgment result; and the accuracy of the transformation ratio test result of the current transformer is improved.

Description

technical field [0001] The present application relates to the technical field of electrical testing, in particular to a variable ratio testing method, device, computer equipment and storage medium. Background technique [0002] As an instrument that converts a large current on the primary side into a small current on the secondary side for measurement, the current transformer can convert the alternating current of different equipment into a certain proportion of small current in the process of power generation, transformation or transmission, and can not only monitor and measure The current size of the line can also avoid the danger of high voltage. [0003] In the traditional technology, the primary side and secondary side of the current transformer are respectively connected to the test equipment through wired connection, and the analog current value of the primary side and the secondary side collected are directly measured through the metering chip in the test equipment. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R15/18G01R29/20G01R35/02
CPCG01R15/18G01R29/20G01R35/02
Inventor 陈海跃欧阳健赵法强翟伟斌
Owner SHENZHEN POWER SUPPLY BUREAU
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